Question

How will the kinetic energy change if the momentum of a particle is doubled

Answer 1

$KE = \frac{p^{2} }{2m}\\\\KE = \frac{(2p)^{2} }{2m}\\ \\KE = 4\frac{p^{2} }{2m}$

Kinetic energy becomes four times the original.

Answer 2

here's your answer.....